Load Specifications
Bullet:.323 | 201gr | RWS Evolution
Bullet Manufacturer:RWS
Bullet Weight:201 gr
Bullet Diameter:0.323"
Bullet Length:<<locked>>
Caliber:8 mm Rem. Mag. load data
Case Length (l3):2.85"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:98 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:26"
Max. allowed Pressure:66,717 psi
Recommended Twist Rate:1:15.0
Load data in caliber 8 mm Rem. Mag. with .323 | 201gr | RWS Evolution bullet and 104 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, ReloadSwiss RS 70 and Hodgdon Superformance.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 82% | 57,072 psi | 86% | 2772 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 58,015 psi | 87% | 2854 fps | 99.5% |
| Accurate 3100ᴾ | <<locked>> | 100% | 56,347 psi | 84% | 2904 fps | 100% |
| Accurate 4064 | <<locked>> | 84% | 57,305 psi | 86% | 2828 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 58,494 psi | 88% | 2949 fps | 100% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 58,697 psi | 88% | 3058 fps | 97.7% |
| ADI AR 2206H | <<locked>> | 82% | 59,553 psi | 89% | 2907 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 57,174 psi | 86% | 2864 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 59,437 psi | 89% | 3002 fps | 99.3% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 56,913 psi | 85% | 2999 fps | 98.2% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 36,521 psi | 55% | 2654 fps | 96.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 56,768 psi | 85% | 2992 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 58,117 psi | 87% | 2887 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 58,320 psi | 87% | 2910 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 59,190 psi | 89% | 3005 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 56,869 psi | 85% | 2976 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 58,610 psi | 88% | 2989 fps | 99.3% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 56,028 psi | 84% | 2995 fps | 99.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 52,895 psi | 79% | 2917 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 46,035 psi | 69% | 2858 fps | 99.8% |
| Alliant Reloder-26 | <<locked>> | 98% | 56,985 psi | 85% | 3064 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 59,872 psi | 90% | 2933 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 51,242 psi | 77% | 2917 fps | 98.4% |
| Bofors RP3 | <<locked>> | 86% | 59,263 psi | 89% | 2904 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 56,028 psi | 84% | 2995 fps | 99.1% |
| Bofors RP7 | <<locked>> | 90% | 58,204 psi | 87% | 2897 fps | 99.6% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 45,600 psi | 68% | 2792 fps | 96.6% |
| Hodgdon H380 | <<locked>> | 86% | 59,640 psi | 89% | 2930 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 56,782 psi | 85% | 2949 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 90% | 60,060 psi | 90% | 2963 fps | 99.5% |
| Hodgdon H4831 | <<locked>> | 98% | 57,159 psi | 86% | 2943 fps | 97.6% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 59,799 psi | 90% | 2982 fps | 98% |
| Hodgdon H4895 | <<locked>> | 82% | 60,234 psi | 90% | 2917 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 59,393 psi | 89% | 2920 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 57,217 psi | 86% | 2907 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 44,918 psi | 67% | 2894 fps | 98% |
| Hodgdon Superformance | <<locked>> | 90% | 57,072 psi | 86% | 2989 fps | 99.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,521 psi | 55% | 1775 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 57,624 psi | 86% | 2867 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 60,234 psi | 90% | 2897 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 59,248 psi | 89% | 2887 fps | 99.9% |
| IMR 4350 | <<locked>> | 94% | 59,321 psi | 89% | 2930 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 90% | 59,872 psi | 90% | 2923 fps | 99.9% |
| IMR 4831 | <<locked>> | 94% | 58,639 psi | 88% | 2936 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 59,814 psi | 90% | 2936 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 58,581 psi | 88% | 2927 fps | 98% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 54,389 psi | 82% | 2972 fps | 97.9% |
| Lovex S060 | <<locked>> | 82% | 58,015 psi | 87% | 2828 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 56,985 psi | 85% | 2838 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 60,133 psi | 90% | 2917 fps | 100% |
| Lovex S070 | <<locked>> | 92% | 57,986 psi | 87% | 2913 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 46,847 psi | 70% | 2759 fps | 99.4% |
| Norma 201 | <<locked>> | 82% | 58,262 psi | 87% | 2851 fps | 100% |
| Norma 202 | <<locked>> | 82% | 58,885 psi | 88% | 2838 fps | 100% |
| Norma 203B | <<locked>> | 84% | 57,609 psi | 86% | 2897 fps | 100% |
| Norma 204 | <<locked>> | 92% | 56,826 psi | 85% | 2936 fps | 98.9% |
| Norma MRPᴾ | <<locked>> | 100% | 59,669 psi | 89% | 3081 fps | 100% |
| Norma URP | <<locked>> | 92% | 56,913 psi | 85% | 2933 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 58,726 psi | 88% | 2927 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 54,723 psi | 82% | 2989 fps | 98.3% |
| Ramshot Hunter | <<locked>> | 94% | 59,451 psi | 89% | 2992 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 48,921 psi | 73% | 2861 fps | 98.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,362 psi | 56% | 1821 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 59,480 psi | 89% | 2917 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 59,857 psi | 90% | 2986 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 56,289 psi | 84% | 2966 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 58,407 psi | 88% | 2976 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 56,739 psi | 85% | 3005 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 45,005 psi | 67% | 2890 fps | 98.9% |
| Rottweil R 902 | <<locked>> | 84% | 58,929 psi | 88% | 2848 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 59,335 psi | 89% | 2900 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 57,290 psi | 86% | 2913 fps | 98.3% |
| Rottweil R 905 | <<locked>> | 98% | 57,972 psi | 87% | 2976 fps | 99.3% |
| Rottweil R 907 | <<locked>> | 90% | 58,204 psi | 87% | 2897 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 92% | 60,133 psi | 90% | 2917 fps | 100% |
| Shooters World Precision | <<locked>> | 84% | 56,985 psi | 85% | 2838 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 57,986 psi | 87% | 2913 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 57,174 psi | 86% | 2913 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 58,059 psi | 87% | 2884 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 58,827 psi | 88% | 2772 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 59,915 psi | 90% | 2772 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 60,017 psi | 90% | 2874 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 57,479 psi | 86% | 2972 fps | 99.2% |
| Somchem S335 | <<locked>> | 82% | 58,639 psi | 88% | 2769 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 59,030 psi | 88% | 2894 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 59,001 psi | 88% | 2907 fps | 97.8% |
| Somchem S365 | <<locked>> | 96% | 60,336 psi | 90% | 2982 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 58,450 psi | 88% | 2946 fps | 99.7% |
| Vihtavuori N133 | <<locked>> | 82% | 59,379 psi | 89% | 2749 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 59,350 psi | 89% | 2799 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 59,596 psi | 89% | 2818 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 56,840 psi | 85% | 2818 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 59,074 psi | 89% | 2923 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 54,128 psi | 81% | 2867 fps | 99.1% |
| Vihtavuori N540 | <<locked>> | 84% | 57,682 psi | 86% | 2818 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 58,044 psi | 87% | 2933 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 59,146 psi | 89% | 2995 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 59,756 psi | 90% | 3071 fps | 98.4% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 47,747 psi | 72% | 2858 fps | 96.4% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 58,871 psi | 88% | 2887 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 57,014 psi | 85% | 2953 fps | 99.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 48,443 psi | 73% | 2992 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 58,262 psi | 87% | 2890 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 58,987 psi | 88% | 2946 fps | 99.2% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 53,505 psi | 80% | 2726 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 50,850 psi | 76% | 2743 fps | 98.7% |
| Accurate 3100 | <<locked>> | 82% | 30,603 psi | 46% | 2415 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 50,720 psi | 76% | 2736 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 38,914 psi | 58% | 2621 fps | 99.2% |
| Accurate MAGPRO | <<locked>> | 94% | 47,355 psi | 71% | 2867 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 55,985 psi | 84% | 2858 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 47,587 psi | 71% | 2717 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 40,147 psi | 60% | 2657 fps | 95.5% |
| ADI AR 2213 | <<locked>> | 92% | 43,497 psi | 65% | 2756 fps | 95% |
| ADI AR 2225 | <<locked>> | 98% | 34,345 psi | 51% | 2595 fps | 95.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 52,895 psi | 79% | 2936 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 48,196 psi | 72% | 2740 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 51,503 psi | 77% | 2808 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 37,710 psi | 57% | 2631 fps | 99.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 42,917 psi | 64% | 2753 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 39,929 psi | 60% | 2654 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 90% | 40,118 psi | 60% | 2703 fps | 95.9% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,746 psi | 42% | 2392 fps | 97.6% |
| Alliant Reloder-25 | <<locked>> | 88% | 31,415 psi | 47% | 2513 fps | 96% |
| Alliant Reloder-26 | 69.8 gr | 80% | 29,660 psi | 44% | 2503 fps | 96.1% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 55,912 psi | 84% | 2877 fps | 100% |
| Bofors RP15 | <<locked>> | 92% | 39,581 psi | 59% | 2690 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 48,704 psi | 73% | 2753 fps | 100% |
| Bofors RP5 | <<locked>> | 90% | 40,118 psi | 60% | 2703 fps | 95.9% |
| Bofors RP7 | <<locked>> | 80% | 42,714 psi | 64% | 2631 fps | 97.4% |
| Hodgdon H1000 | <<locked>> | 98% | 42,699 psi | 64% | 2733 fps | 95.7% |
| Hodgdon H380 | <<locked>> | 80% | 48,936 psi | 73% | 2766 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 40,770 psi | 61% | 2667 fps | 97.5% |
| Hodgdon H4350 | <<locked>> | 80% | 43,656 psi | 65% | 2684 fps | 97% |
| Hodgdon H4831 | <<locked>> | 92% | 46,557 psi | 70% | 2766 fps | 95.3% |
| Hodgdon H4831 SC | <<locked>> | 92% | 45,643 psi | 68% | 2746 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 56,652 psi | 85% | 2867 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 35,331 psi | 53% | 2523 fps | 99.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 53,519 psi | 80% | 2854 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 94% | 37,173 psi | 56% | 2703 fps | 95.1% |
| Hodgdon Superformance | 71.9 gr | 80% | 39,595 psi | 59% | 2677 fps | 96.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,398 psi | 41% | 1588 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 54,128 psi | 81% | 2818 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 50,067 psi | 75% | 2749 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 52,214 psi | 78% | 2779 fps | 99.4% |
| IMR 4350 | <<locked>> | 80% | 38,261 psi | 57% | 2559 fps | 96.2% |
| IMR 4451 Enduron | <<locked>> | 80% | 44,063 psi | 66% | 2661 fps | 98.1% |
| IMR 4831 | <<locked>> | 80% | 37,362 psi | 56% | 2575 fps | 98.9% |
| IMR 4895 | <<locked>> | 80% | 52,823 psi | 79% | 2835 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 45,542 psi | 68% | 2707 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 94% | 44,498 psi | 67% | 2792 fps | 95.5% |
| Lovex S060 | <<locked>> | 80% | 54,563 psi | 82% | 2779 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 50,299 psi | 75% | 2743 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 41,684 psi | 62% | 2612 fps | 98.7% |
| Lovex S070 | <<locked>> | 80% | 39,929 psi | 60% | 2595 fps | 97.5% |
| Lovex S071 | <<locked>> | 88% | 31,923 psi | 48% | 2448 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 54,766 psi | 82% | 2799 fps | 100% |
| Norma 202 | <<locked>> | 80% | 55,332 psi | 83% | 2792 fps | 100% |
| Norma 203B | <<locked>> | 80% | 50,836 psi | 76% | 2795 fps | 100% |
| Norma 204 | <<locked>> | 82% | 40,466 psi | 61% | 2644 fps | 95.5% |
| Norma MRP | <<locked>> | 84% | 34,301 psi | 51% | 2595 fps | 95.2% |
| Norma URP | <<locked>> | 80% | 38,566 psi | 58% | 2615 fps | 99% |
| Ramshot Big Game | <<locked>> | 80% | 51,227 psi | 77% | 2818 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 44,280 psi | 66% | 2799 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 80% | 37,376 psi | 56% | 2602 fps | 97.4% |
| Ramshot Magnum | <<locked>> | 92% | 36,724 psi | 55% | 2615 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,891 psi | 42% | 1627 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 48,892 psi | 73% | 2749 fps | 99.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 55,883 psi | 84% | 2930 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 45,585 psi | 68% | 2802 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 38,624 psi | 58% | 2638 fps | 98.9% |
| ReloadSwiss RS 70 | 69.1 gr | 80% | 37,333 psi | 56% | 2648 fps | 98.5% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 36,419 psi | 55% | 2684 fps | 96.1% |
| Rottweil R 902 | <<locked>> | 80% | 52,214 psi | 78% | 2756 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 45,890 psi | 69% | 2700 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 44,425 psi | 67% | 2694 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 86% | 38,899 psi | 58% | 2635 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 80% | 42,714 psi | 64% | 2631 fps | 97.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 41,684 psi | 62% | 2612 fps | 98.7% |
| Shooters World Precision | <<locked>> | 80% | 50,299 psi | 75% | 2743 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 39,929 psi | 60% | 2595 fps | 97.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 46,978 psi | 70% | 2756 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 54,433 psi | 82% | 2831 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 55,419 psi | 83% | 2726 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 46,992 psi | 70% | 2598 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,669 psi | 61% | 2556 fps | 97.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 38,537 psi | 58% | 2628 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 55,158 psi | 83% | 2723 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 46,108 psi | 69% | 2697 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 48,530 psi | 73% | 2740 fps | 95.8% |
| Somchem S365 | <<locked>> | 80% | 34,983 psi | 52% | 2572 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 37,101 psi | 56% | 2566 fps | 95.8% |
| Vihtavuori N133 | <<locked>> | 80% | 55,999 psi | 84% | 2707 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 52,634 psi | 79% | 2713 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 52,649 psi | 79% | 2726 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 44,034 psi | 66% | 2628 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 39,972 psi | 60% | 2612 fps | 99.2% |
| Vihtavuori N165 | <<locked>> | 88% | 36,521 psi | 55% | 2546 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 50,865 psi | 76% | 2723 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 39,407 psi | 59% | 2612 fps | 99% |
| Vihtavuori N555 | <<locked>> | 80% | 30,676 psi | 46% | 2467 fps | 97.6% |
| Vihtavuori N560 | <<locked>> | 92% | 45,585 psi | 68% | 2828 fps | 95.4% |
| Vihtavuori N565 | <<locked>> | 98% | 44,512 psi | 67% | 2799 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 38,943 psi | 58% | 2579 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 40,770 psi | 61% | 2667 fps | 97.5% |
| Winchester StaBALL HD | <<locked>> | 80% | 24,511 psi | 37% | 2369 fps | 96.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 54,520 psi | 82% | 2838 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 88% | 38,841 psi | 58% | 2598 fps | 95.2% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 110 powders for 8 mm Rem. Mag. loaded with the .323 | 201gr | RWS Evolution. Norma MRP delivers the highest muzzle velocity at 3,081 fps; across all powders the maximum-charge window runs from 1,775 fps to 3,081 fps. Accurate 3100 gives the best case fill at 100 %, and 110 of the 110 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (460 MPa), the top charges use 48–90 %, leaving at least 10 % headroom. The 201.0 gr projectile in 0.323" calls for a 1:15.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, ADI AR 2213 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. Alliant Reloder-26, ReloadSwiss RS 70, Hodgdon Superformance rank at the top here: for 8 mm Rem. Mag. with the .323 | 201gr | RWS Evolution they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2217, Baschieri & Pellagri 109, Norma 217 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.